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improved error checking and some fixes

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PR: 1170
Submitted by: Yair Elharrar
Reviewed and edited by: Nils Larsch
This commit is contained in:
Nils Larsch 2005-07-26 21:10:34 +00:00
parent 5c8e9139d1
commit c755c5fd8b
12 changed files with 71 additions and 20 deletions
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4
crypto/asn1/a_bitstr.c
View File

@ -183,9 +183,11 @@ int ASN1_BIT_STRING_set_bit(ASN1_BIT_STRING *a, int n, int value)
iv= ~v;
if (!value) v=0;
if (a == NULL)
return 0;
a->flags&= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07); /* clear, set on write */
if (a == NULL) return(0);
if ((a->length < (w+1)) || (a->data == NULL))
{
if (!value) return(1); /* Don't need to set */

18
crypto/asn1/t_pkey.c
View File

@ -198,6 +198,11 @@ int DSA_print(BIO *bp, const DSA *x, int off)
if (x->p)
buf_len = (size_t)BN_num_bytes(x->p);
else
{
DSAerr(DSA_F_DSA_PRINT,DSA_R_MISSING_PARAMETERS);
goto err;
}
if (x->q)
if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
buf_len = i;
@ -670,6 +675,11 @@ int DHparams_print(BIO *bp, const DH *x)
if (x->p)
buf_len = (size_t)BN_num_bytes(x->p);
else
{
reason = ERR_R_PASSED_NULL_PARAMETER;
goto err;
}
if (x->g)
if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
buf_len = i;
@ -728,6 +738,11 @@ int DSAparams_print(BIO *bp, const DSA *x)
if (x->p)
buf_len = (size_t)BN_num_bytes(x->p);
else
{
DSAerr(DSA_F_DSA_PRINT,DSA_R_MISSING_PARAMETERS);
goto err;
}
if (x->q)
if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
buf_len = i;
@ -737,7 +752,7 @@ int DSAparams_print(BIO *bp, const DSA *x)
m=(unsigned char *)OPENSSL_malloc(buf_len+10);
if (m == NULL)
{
reason=ERR_R_MALLOC_FAILURE;
DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
goto err;
}
@ -750,7 +765,6 @@ int DSAparams_print(BIO *bp, const DSA *x)
ret=1;
err:
if (m != NULL) OPENSSL_free(m);
DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
return(ret);
}

9
crypto/evp/p5_crpt.c
View File

@ -114,9 +114,14 @@ int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *cctx, const char *pass, int passlen,
const unsigned char *pbuf;
/* Extract useful info from parameter */
if (param == NULL || param->type != V_ASN1_SEQUENCE ||
param->value.sequence == NULL) {
EVPerr(EVP_F_PKCS5_PBE_KEYIVGEN,EVP_R_DECODE_ERROR);
return 0;
}
pbuf = param->value.sequence->data;
if (!param || (param->type != V_ASN1_SEQUENCE) ||
!(pbe = d2i_PBEPARAM (NULL, &pbuf, param->value.sequence->length))) {
if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) {
EVPerr(EVP_F_PKCS5_PBE_KEYIVGEN,EVP_R_DECODE_ERROR);
return 0;
}

9
crypto/evp/p5_crpt2.c
View File

@ -156,10 +156,15 @@ int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
const EVP_CIPHER *cipher;
PBKDF2PARAM *kdf = NULL;
if (param == NULL || param->type != V_ASN1_SEQUENCE ||
param->value.sequence == NULL) {
EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN,EVP_R_DECODE_ERROR);
return 0;
}
pbuf = param->value.sequence->data;
plen = param->value.sequence->length;
if(!param || (param->type != V_ASN1_SEQUENCE) ||
!(pbe2 = d2i_PBE2PARAM(NULL, &pbuf, plen))) {
if(!(pbe2 = d2i_PBE2PARAM(NULL, &pbuf, plen))) {
EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN,EVP_R_DECODE_ERROR);
return 0;
}

2
crypto/ocsp/ocsp_cl.c
View File

@ -101,6 +101,8 @@ int OCSP_request_set1_name(OCSP_REQUEST *req, X509_NAME *nm)
{
GENERAL_NAME *gen;
gen = GENERAL_NAME_new();
if (gen == NULL)
return 0;
if (!X509_NAME_set(&gen->d.directoryName, nm))
{
GENERAL_NAME_free(gen);

9
crypto/pkcs12/p12_crpt.c
View File

@ -94,9 +94,14 @@ int PKCS12_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
/* Extract useful info from parameter */
if (param == NULL || param->type != V_ASN1_SEQUENCE ||
param->value.sequence == NULL) {
PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR);
return 0;
}
pbuf = param->value.sequence->data;
if (!param || (param->type != V_ASN1_SEQUENCE) ||
!(pbe = d2i_PBEPARAM (NULL, &pbuf, param->value.sequence->length))) {
if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) {
PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR);
return 0;
}

11
crypto/txt_db/txt_db.c
View File

@ -179,10 +179,13 @@ err:
#if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16)
if (er == 1) fprintf(stderr,"OPENSSL_malloc failure\n");
#endif
if (ret->data != NULL) sk_free(ret->data);
if (ret->index != NULL) OPENSSL_free(ret->index);
if (ret->qual != NULL) OPENSSL_free(ret->qual);
if (ret != NULL) OPENSSL_free(ret);
if (ret != NULL)
{
if (ret->data != NULL) sk_free(ret->data);
if (ret->index != NULL) OPENSSL_free(ret->index);
if (ret->qual != NULL) OPENSSL_free(ret->qual);
if (ret != NULL) OPENSSL_free(ret);
}
return(NULL);
}
else

4
crypto/ui/ui_lib.c
View File

@ -620,8 +620,10 @@ UI_METHOD *UI_create_method(char *name)
UI_METHOD *ui_method = (UI_METHOD *)OPENSSL_malloc(sizeof(UI_METHOD));
if (ui_method)
{
memset(ui_method, 0, sizeof(*ui_method));
ui_method->name = BUF_strdup(name);
ui_method->name = BUF_strdup(name);
}
return ui_method;
}

10
crypto/x509/x509_att.c
View File

@ -125,7 +125,13 @@ STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
X509_ATTRIBUTE *new_attr=NULL;
STACK_OF(X509_ATTRIBUTE) *sk=NULL;
if ((x != NULL) && (*x == NULL))
if (x == NULL)
{
X509err(X509_F_X509AT_ADD1_ATTR, ERR_R_PASSED_NULL_PARAMETER);
goto err2;
}
if (*x == NULL)
{
if ((sk=sk_X509_ATTRIBUTE_new_null()) == NULL)
goto err;
@ -137,7 +143,7 @@ STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
goto err2;
if (!sk_X509_ATTRIBUTE_push(sk,new_attr))
goto err;
if ((x != NULL) && (*x == NULL))
if (*x == NULL)
*x=sk;
return(sk);
err:

10
crypto/x509/x509_v3.c
View File

@ -147,7 +147,13 @@ STACK_OF(X509_EXTENSION) *X509v3_add_ext(STACK_OF(X509_EXTENSION) **x,
int n;
STACK_OF(X509_EXTENSION) *sk=NULL;
if ((x != NULL) && (*x == NULL))
if (x == NULL)
{
X509err(X509_F_X509V3_ADD_EXT,ERR_R_PASSED_NULL_PARAMETER);
goto err2;
}
if (*x == NULL)
{
if ((sk=sk_X509_EXTENSION_new_null()) == NULL)
goto err;
@ -163,7 +169,7 @@ STACK_OF(X509_EXTENSION) *X509v3_add_ext(STACK_OF(X509_EXTENSION) **x,
goto err2;
if (!sk_X509_EXTENSION_insert(sk,new_ex,loc))
goto err;
if ((x != NULL) && (*x == NULL))
if (*x == NULL)
*x=sk;
return(sk);
err:

3
crypto/x509v3/v3_alt.c
View File

@ -341,7 +341,8 @@ static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p)
X509_NAME_ENTRY *ne;
GENERAL_NAME *gen = NULL;
int i;
if(ctx->flags == CTX_TEST) return 1;
if(ctx != NULL && ctx->flags == CTX_TEST)
return 1;
if(!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
X509V3err(X509V3_F_COPY_EMAIL,X509V3_R_NO_SUBJECT_DETAILS);
goto err;

2
ssl/ssl_txt.c
View File

@ -153,7 +153,7 @@ int SSL_SESSION_print(BIO *bp, const SSL_SESSION *x)
#endif /* OPENSSL_NO_KRB5 */
if (x->compress_meth != 0)
{
SSL_COMP *comp;
SSL_COMP *comp = NULL;
ssl_cipher_get_evp(x,NULL,NULL,&comp);
if (comp == NULL)